Provided herein are devices, systems, and methods for capturing toxic pollutants, such as polycyclic aromatic hydrocarbons. Certain embodiments of the present disclosure are related to a pollutant-absorbing material that includes an absorbent compound, such as sodium copper chlorophyllin, capable of binding to and capturing a toxic pollutant, and methods of making and using the material for the capture of toxic pollutants. The pollutant-absorbing material can be incorporated into an article worn by a person, such as a shirt or a facemask.

A polyolefin fiber that is formed by a thermoplastic composition containing a continuous phase that includes a polyolefin matrix polymer and nanoinclusion additive is provided. The nanoinclusion additive is dispersed within the continuous phase as discrete nano-scale phase domains. When drawn, the nano-scale phase domains are able to interact with the matrix in a unique manner to create a network of nanopores.

A fiber-SAP particle includes a superabsorbent core particle (SAP core particle) and a plurality of fibers attached to the SAP core particle and extending therefrom. The fiber-SAP particles may be formed in a fluidized bed chamber using a spray drying process. The fiber-SAP particles may be incorporated into absorbent cores and articles, such as in disposable diapers.

Provided are a humidity conditioning material that adsorbs and desorbs a large amount of moisture, and a production method thereof.

A humidity conditioning material comprising: a porous silica material having an average pore diameter of 1 nm or more; and a carrier, wherein the humidity conditioning material contains an alkali metal element in an amount of 0.001 wt % or more and less than 1.0 wt %.

A method for producing a humidity conditioning material involving the following Step (1), Step (2), and Step (3).

Step (1): A dispersion medium is mixed with a porous silica material having an average pore diameter of 1 nm or more to obtain a slurry, and an amount of alkali metal element in the slurry is adjusted to be 0.001 wt % to 1 wt % relative to a solid content weight therein.

Step (2): The slurry obtained in Step (1) is applied to a carrier.

Step (3): The dispersion medium is removed from the carrier coated with the slurry obtained in Step (2) to yield a humidity conditioning material containing the porous silica material and the carrier.

A gel particle film of amino group-having polymer compound particles has a large acid gas absorption amount and desorption amount per unit volume, and has a high acid gas absorption rate and desorption rate per unit mass, and further has high stability. A gas absorber having the gel particle film supported on a carrier is useful as an acid gas separation material having good energy efficiency.

One aspect of the present invention relates to an adsorption filter containing an activated carbon and a fibrous binder. The adsorption filter has a density of 0.400 g/ml or more, and a pore volume at a pore diameter of 1 to 20 μm is 0.60 ml/g or less as measured by mercury intrusion porosimetry.

Disclosed are textile fibers, yarns, and fabrics having improved comfort and water and odor adsorption properties, and methods of manufacturing same. The improved textiles have an increased distribution of adsorbing particles distributed at the surface of the fibers and yarns to enable greater overall surface area for adsorbance.

An air filter including a filter support that supports polymeric sorbent particles. The polymeric sorbent is the reaction product of a divinylbenzene/maleic anhydride precursor polymeric material with a nitrogen-containing compound. The air filter may be used for capturing e.g. reactive gases.

The present disclosure relates to hydrocarbon emission control systems. More specifically, the present disclosure relates to substrates coated with hydrocarbon adsorptive coating compositions, air intake systems, and evaporative emission control systems for controlling evaporative emissions of hydrocarbons from motor vehicle engines and fuel systems.

A combination of nanoparticles applied onto the different layers of a mask filtration system, exemplarily including 1%-10% silicon dioxide on the outer layer of the mask and 1%-10% graphene; 1%-10% titanium dioxide; 1%-10% zinc oxide; 1%-10% copper oxide on the middle layer of the mask; and balance solvent is provided.